There was evidence that the girls in the story did not listen to their mother when they unlatched the door. Their mother clearly told them "close the door tight at sunset and latch it well."
There was evidence that the oldest girl was clever. When she turned on the light and saw the wolf, she got her sisters out of the house into the tree away from the wolf to safety.
To test yourself on the Lon Po Po story click here!
To test yourself on the Lon Po Po story click here!